diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index fcf1473d..4ac9d3fc
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -381,7 +381,7 @@ static void __dma_free_remap(void *cpu_addr, size_t size)
 			VM_ARM_DMA_CONSISTENT | VM_USERMAP);
 }
 
-#define DEFAULT_DMA_COHERENT_POOL_SIZE	SZ_256K
+#define DEFAULT_DMA_COHERENT_POOL_SIZE	SZ_2M
 static struct gen_pool *atomic_pool;
 
 static size_t atomic_pool_size = DEFAULT_DMA_COHERENT_POOL_SIZE;
